ML20101S965

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1992 Unit 2 Refueling Outage Inservice Insp Summary Rept, Evaluation Analysis of Exam & Results,North Anna Power Station,Unit 2
ML20101S965
Person / Time
Site: North Anna Dominion icon.png
Issue date: 07/16/1992
From:
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20101S954 List:
References
NUDOCS 9207200170
Download: ML20101S965 (4)


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i ATTACHMENT 3 i

_1992 UNIT 2 REFUEUNG OUTAGE INSERVICE INSPECTION

SUMMARY

REPORT L

- EVALUATION ANALYSIS OF EXAMINATION AND RESULTS NORTH ANNA POWER STATION - UNIT 2 P.O. BOX 402 MINERAL, VA 23117 i

COMMERclAL SERVICE DATE 12-14-80

- JULY 16,1992 y e:

VIRGINIA ELECTHIC AND POWER COMPANY 5000 DOMINION BOULEVARD GLEN ALLEN, VA 23060 I

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~9207200170 920716' PDR. ADOCK 05000339' ,

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Docket Number: 50-339 Serial Number: 92-442 Attachment 3 Page 1 of 3 Evaluation Ana,'ysis There was 1 component which had a condition exceeding the acceptance standards of IWB-3517.1(b) and was not repaired. This component was acceptable for continued service by evaluation as allowed by IWB-3142.4.

This component, 2-SI-153 on 12050-WMKS-113A-4, will be reexamined during the next three inspection periods as required by IWB-2420(b) . The evaluation and exam report are included in Attachment 3 pages 2 and 3.

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Dockot Numbers 50-339 RV. O I Serial Number: 92-442 Page 7 of ;;

Attachment 3  ;

Page 2 of 3 l ATTACIDENT 1 VIRGINIA POWER VIEUAL EXAMINATION (VT-1)

BOLTXNG A'Df-c Sy er l

1. Station Unitt ~ Systems l Al M ru Adr/A ~L 5.I*
2. Drawing: Remote Direct:  !

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3. Component Inspected:

p - S r - /.5.3 i 2 ,,- S 1' </tr1 /50)~ QI CHECKLIST ACCEPT REJECT Note: C ackina N/A requires explaination in N/A B ock 13.

4. ack 1 ke flaws C[awstandardas,definedinacaptancethat exceed the allowable f

crit rias note visual flawrt suppfementalNDEexamination v11requir$acad. f not rep [

5. More than one deformed or sheared thread in the zone of the thread engagement of bolts, studs, or nuts. /
6. Localized general corrosion that reduces the the bolts or stud etion area.

surfacecorrosion5ross-s$deredaccepta s cons 5ht

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7. Bendina, twisting, or deformation of bolts or studs to the extent that assembly or disassembly is i:tpaired. /

8.

Missin$.orloosebolts, washer studs, nuts, or / .

9. Practured bolts, studs, bushings, washers, or nuts. ./
10. on bo$tingsurfaces.De radation of protective coatings, s/
11. Evidence of coolant leakage near bolting attribyted to component or possibly potentially adverse effects t[
12. Supplemental Examination Required: g No Explain (Required): W- l 3 d.4w ,. I,  % ,J
13. Comments g;u m,,vao ic .sruos no M rs & Ps 4s f S- /4 vars wira u ut e, i- rNgeno t=d a Hid o1 L*~' I~
14. Notify ISI Engineer of reportable condition. j J /'L3/12-unne Notification received by M=
15. Name of Examiner (Print): .Tencv P u>ces Exam Date 3 X 92 Signature Os_ D ( d% Level TC vr.4L,3
16. ANII Signature Nd d#- 4 Date .7[43r f &

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Dockot Number 50-339 l Serial Number: 92-442 NASES-6.0."

Attachment 3 key. O Page 3 of 3 Attachnent I c ,, Page 1 of 1 STATION REQUEST REA # /" - 0 2-Station IS1 Request #

ENGINEERING EVALUATION Class 1.2.63 NDE Problem Resolution HP COMPONENT NO. .2 -3P /J'3 LINE NO. _! 2 " JI- W ~2 /f'o ? -O (

LOCATION DWG / 2. orb usMt .3 f a ld t/RETERENCE DW REPORTED PROBLEM:

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CORRECTIVE ACTION REOUIRED '

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